Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Honeywell Coil Cleaning: The Alpharetta Owner’s Guide
We stock and install Honeywell-compatible evaporator coil cleaning for Alpharetta homes, with most jobs priced between $290 and $540. That’s the whole system, not a per-coil a-la-carte add-on at the door. The usual discovery goes like this: the AC runs but the house won’t cool below 78, or there’s a faint sour smell from the vents, or the unit ices up on a 90-degree afternoon. Nine times out of ten, that’s a clogged coil working against the system, not a dead compressor. Here’s what to know before you call.
Key Takeaways
- Honeywell coil cleaning in Alpharetta runs $290 to $540 depending on coil access
- We clean the evaporator coil, not just the outside condenser fins most companies spray and leave
- The job takes 60 to 90 minutes; pricing is written down before anything gets touched
- Alpharetta’s red clay dust and spring pollen load means coils here clog faster than the national average
Which Honeywell Models This Applies To
Most Alpharetta homes with Honeywell equipment run either the Honeywell Home series matched to a Trane or Carrier air handler, or a standalone Honeywell media cabinet paired to a Lennox furnace. The coil itself carries a Honeywell model tag that starts with “C” or “HC” followed by four digits, and the coil sits inside the air handler, above or behind the blower. If you can’t find the tag, the coil will measure 14 to 21 inches wide on most residential systems in this market.
One compatibility gotcha: Honeywell coils made before 2018 used a thinner fin pack that tolerates acidic cleaners poorly. The newer coils have a corrosion-resistant coating, so the cleaning agent matters. We use an alkaline foaming cleaner that strips the biofilm and dust pack without eating the fins on older or newer coils. On the OEM-versus-aftermarket question: coils are coils, but cleaner chemistry is not interchangeable. Cheap acidic sprays will get the coil “clean” for about three months, then the corrosion catches up. We won’t use them on your equipment.
Styles & brands we work with
Signs Your Coil Needs Cleaning (Not Just the Filter)
- The AC runs long but won’t hit the thermostat. A clogged evaporator coil can’t transfer heat. The system keeps running because the thermostat never satisfied, and the compressor burns hours for nothing. In Alpharetta’s July humidity, this shows up as a house stuck at 76 or 77 with the fan on full time.
- Ice on the suction line or on the coil housing. Low airflow across a dirty coil drops the coil temperature below freezing. The ice blocks airflow further, and the problem compounds. If you see frost on the copper line at the air handler, shut the system off and call. Running it iced can slug the compressor.
- A sour or musty smell from the vents that gets worse when the AC cycles on. That smell is microbial growth on a wet, dirty coil. The coil is the perfect petri dish: dark, damp, and fed by a steady supply of Alpharetta pollen and skin cells. Cleaning the coil, not masking the smell, is the fix.
- A filter that clogs twice as fast as it used to. When the coil is a dust magnet, the filter upstream works overtime. New homeowners near Windward Parkway sometimes assume their filter just “runs dirty” here. The filter is doing its job, but the coil behind it is the actual problem.
- Higher humidity inside the house, even when the temperature is fine. A dirty coil doesn’t dehumidify well because less air actually condenses on the coil surface. The thermostat reads 74, but the air feels sticky. That’s the coil telling you it’s loaded.
See the difference
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After
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AfterHow Much Does Honeywell Coil Cleaning Cost in Alpharetta?
Here’s the range, in writing, before anyone drives to your house:
- Evaporator coil cleaning (the one that matters), typical Alpharetta single-system home: $290 to $450
- Both coil and blower wheel cleaning, where the blower is dirty too: $400 to $540
- Condenser coil cleaning (outside unit), standard: $120 to $180
What drives the difference: how hard the coil is to reach. Some Alpharetta air handlers, especially in crawlspace or attic installs, take longer to access safely. Some need the blower pulled to get to the coil face, which adds labor. You’ll know your exact price before we begin, and that price does not move when we’re inside. It’s written down, it’s specific to your system, and it’s covered by our 365-Day Done Right Promise: if the coil re-clogs or the smell returns within a year, we come back at no charge.
DIY or Call Us?
Some things you can safely check on a Honeywell system: the filter (replace it monthly during pollen season in Alpharetta), the condensate drain line (pour a cup of white vinegar down it twice a year), and the outside condenser fins (rinse them gently with a garden hose, no pressure washer). Those three steps prevent about half the coil problems we see.
What you shouldn’t do: pull the evaporator coil access panel and spray whatever cleaner Home Depot had on the shelf. The coil sits in a sealed cabinet with electrical connections nearby, and the wrong cleaner on an older Honeywell coil etches the fins. You save the service call and buy a $900 coil replacement. If the system is iced, running warm, or smelling sour, call us at (762) 769-7145. We’ll tell you over the phone whether it sounds like a coil issue or something else.
FAQs
Every three to five years for most Alpharetta homes, but closer to three if you run the AC from March through October and have pets. Homes near construction, or with heavily treed lots that drop spring pollen, trend toward the short end. The filter is your early indicator: if a fresh filter looks loaded in under three weeks, the coil is probably due. Call (762) 769-7145 and we’ll help you figure out if it’s time.
Cleaning is a repair, and it fixes 80% of coil problems: restricted airflow, poor cooling, musty smells. What cleaning can’t fix is physical damage: a refrigerant leak, corrosion rot, or freeze-thaw damage that split the coil. If you’re losing refrigerant, you’ll know because the system pressures drop and it stops cooling entirely, not gradually. We’ll tell you which situation you have before recommending anything.
Sixty to ninety minutes in most Alpharetta homes. The time goes to accessing the coil, applying the foaming cleaner, and letting it dwell long enough to break the biofilm without scrubbing the fins into damage. If the blower wheel comes out too, add thirty minutes. We schedule in a two-hour window so nobody’s rushing.
Yes. Our trucks carry the alkaline foaming cleaner, fin combs, and rinse gear sized for Honeywell coils, alongside parts for Trane, Carrier, and Lennox systems. If your coil is beyond cleaning and needs replacement, we source the right Honeywell coil for your air handler and install it under the same written-price, one-year guarantee. Call (762) 769-7145 and we’ll check stock before we schedule.
Clean ducts don’t announce themselves, you just breathe better and the filter stays cleaner longer. Same goes for a clean coil: you’ll notice the house hitting the thermostat again and the humidity backing off. That’s the whole job.
Roy Castellanos has been cleaning and servicing duct systems in Alpharetta for close to two decades, including a stretch of older two-story homes near Windward Parkway where the coil buildup told a story about exactly how long those systems had gone without attention. He built Hollis Air Duct Alpharetta around one standard: every register and return gets checked, not just the ones easy to reach. Hollis Air Duct Alpharetta is an independent service provider and is not affiliated with Honeywell. We service Honeywell equipment alongside Lennox, Trane, and Carrier systems.
Written by Roy Castellanos, Owner, Hollis Air Duct Alpharetta at Hollis Air Duct Alpharetta, serving Alpharetta and nearby areas.